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wireshark/packet-nt-sonmp.c

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/* packet-sonmp.c
* Routines for the disassembly of the "Nortel Networks / SynOptics Network Management Protocol"
* (c) Copyright Giles Scott <giles.scott1 [AT] btinternet.com>
*
* $Id: packet-nt-sonmp.c,v 1.5 2004/02/23 16:33:14 jmayer Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <epan/packet.h>
/* #include "strutil.h" */
#include "nlpid.h"
/* Although this protocol is propietary it is documented in the SynOptics MIB's
* So I'm not giving anything away :-)
* The only thing I have not done is decode the segment identifier;
* This changes so much depending on whether the chassis supports
* multi-segment autotopology. As the 5000 is now EOL don't see much point.
*
* MIB's s5emt104.mib, s5tcs112.mib, synro179.mib these should be available via
* http://www.nortelnetworks.com
*/
/* chassis types */
/* From synro193.mib - SnpxChassisType */
static value_string sonmp_chassis_val[] =
{
{2, "m3000"},
{3, "m3030"},
{4, "m2310"},
{5, "m2810"},
{6, "m2912"},
{7, "m2914"},
{8, "m271x"},
{9, "m2813"},
{10, "m2814"},
{11, "m2915"},
{12, "m5000"},
{13, "m2813SA"},
{14, "m2814SA"},
{15, "m810M"},
{16, "m1032x Ethercell"},
{17, "5005"},
{18, "Alcatel Ethernet workgroup conc"},
{20, "m2715SA"},
{21, "m2486"},
{22, "m28xxx"},
{23, "m23xxx"},
{24, "5DN000"},
{25, "NBayStack"},
{26, "m2310x"},
{27, "BayStack100 hub"},
{28, "M3000 Fast ethernet"},
{29, "Xedia"},
{31, "28200"},
{32, "Centillion-sixSlot"},
{33, "Centillion-twelveSlot"},
{34, "Centillion-singleSlot"},
{35, "BayStack301"},
{36, "BayStackTr"},
{37, "FVC Multimedia Switch"},
{38, "SwitchNode"},
{39, "BayStack 302"},
{40, "BayStack 350"},
{41, "BayStack 150"},
{42, "Centillion 50"},
{43, "Centillion 50tr"},
{44, "BayStack 303-304"},
{45, "BayStack 200"},
{46, "BayStack 250"},
{47, "StackProbe"},
{48, "BayStack 450"},
{49, "BayStack 303-24T"},
{50, "Accelar 1200 L3 switch"},
{51, "Accelar 1250 L3 switch"},
{52, "Accelar 1100 L3 switch"},
{53, "Accelar 1150 L3 switch"},
{54, "Accelar 1050 L3 switch"},
{55, "Accelar 1051 L3 switch"},
{56, "Accelar 8610 L3 switch"},
{57, "Accelar 8006"},
{58, "Accelar 8010"},
{59, "Accelar 8006"},
{60, "BayStack 670"},
{61, "Accelar 740"},
{62, "Accelar 750"},
{63, "Accelar 790"},
{64, "Business Policy switch 2000"},
{65, "Accelar 8110 L2 switch"},
{66, "Accelar 8106 L2 switch"},
{67, "BayStack 3580"},
{68, "Baystack 10 PSU"},
{69, "BayStack 420"},
{70, "OPTera Metro 1200ESM"},
{71, "OPTera 8010co"},
{72, "OPTera 8610co L3 switch"},
{73, "OPTera 8110co L2 switch"},
{74, "OPTera 8003"},
{75, "OPTera 8603 L3 switch"},
{76, "OPTera 8103 L2 switch"},
{77, "Baystack 380 10/100/1000 switch"},
{78, "Baystack 470 10/100 switch"},
{79, "OPTera Metro 1450ESM"},
{80, "OPTera Metro 1400ESM"},
{81, "Alteon switch family"},
{82, "BayStack 460-24T-PWR"},
{83, "OPTera Metro 8010 OPM L2 Switch"},
{84, "OPTera Metro 8010co OPM L2 Switch"},
{85, "OPTera Metro 8006 OPM L2 Switch"},
{86, "OPTera Metro 8003 OPM L2 Switch"},
{87, "Alteon 180e"},
{88, "Alteon AD3"},
{89, "Alteon 184"},
{90, "Alteon AD4"},
{91, "Passport 1424 L3 switch"},
{92, "Passport 1648 L3 switch"},
{93, "Passport 1612 L3 switch"},
{94, "Passport 1624 L3 switch"},
{95, "BayStack 380-24F Fiber 1000 switch"},
{96, "BayStack 4700 24T switch"},
{97, "BayStack 4700 48T switch"},
{98, "BayStack 5510 24-port"},
{99, "BayStack 2200 Wireless LAN AP"},
{100, "passport RBS 2402 L3 switch"},
{101, "Alteon AAS 2424"},
{102, "Alteon AAS 2224"},
{103, "Alteon AAS 2208"},
{104, "Alteon AAS 2216"},
{105, "Alteon AAS 3408"},
{106, "Alteon AAS 3416"},
{0, NULL}
};
/* from synro179.mib - SnpxBackplaneType */
static value_string sonmp_backplane_val[] =
{
{1, "Other"},
{2, "ethernet"},
{3, "ethernet and tokenring"},
{4, "ethernet and FDDI"},
{5, "ethernet, tokenring and FDDI"},
{6, "ethernet and tokenring with redundant power"},
{7, "ethernet, tokenring, FDDI with redunadant power"},
{8, "token ring"},
{9, "ethernet, tokenring and fast ethernet"},
{10, "ethernet and fast ethernet"},
{11, "ethernet, tokenring, fast ethernet with redunant power"},
{12, "ethernet, fast ethernet and gigabit ethernet"},
{0, NULL}
};
static value_string sonmp_nmm_state_val[] =
{
{1, "Topology Change"},
{2, "Heartbeat"},
{3, "New"},
{0, NULL}
};
/* Offsets in SONMP NMM Hello structure. */
#define SONMP_IP_ADDRESS 0
#define SONMP_SEGMENT_IDENTIFIER 4
#define SONMP_CHASSIS_TYPE 7
#define SONMP_BACKPLANE_TYPE 8
#define SONMP_NMM_STATE 9
#define SONMP_NUMBER_OF_LINKS 10
static int proto_sonmp = -1;
static int hf_sonmp_ip_address = -1;
/* static int hf_sonmp_segment_identifier = -1; */
static int hf_sonmp_chassis_type = -1;
static int hf_sonmp_backplane_type = -1;
static int hf_sonmp_nmm_state = -1;
static int hf_sonmp_number_of_links = -1;
static gint ett_sonmp = -1;
static void
dissect_sonmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
char *hello_type;
guint32 sonmp_ip_address;
guint32 sonmp_segment_identifier = 0; /* actually 3 bytes not 4 */
guint8 sonmp_chassis_type;
guint8 sonmp_backplane_type;
guint8 sonmp_nmm_state;
guint8 sonmp_number_of_links;
proto_tree *sonmp_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SONMP");
if (check_col(pinfo->cinfo, COL_INFO)) {
hello_type = "";
if (pinfo->dl_dst.type == AT_ETHER) {
switch (pinfo->dl_dst.data[5]) {
case 0:
hello_type = "Segment ";
break;
case 1:
hello_type = "FlatNet ";
break;
}
}
col_add_fstr(pinfo->cinfo, COL_INFO, "SONMP - %sHello",
hello_type);
}
if (tree) {
ti = proto_tree_add_protocol_format(tree, proto_sonmp, tvb, 0, 11,
"Nortel Networks / SynOptics Network Management Protocol");
sonmp_tree = proto_item_add_subtree(ti, ett_sonmp);
sonmp_ip_address = tvb_get_letohl(tvb, SONMP_IP_ADDRESS);
proto_tree_add_ipv4(sonmp_tree, hf_sonmp_ip_address,
tvb, SONMP_IP_ADDRESS, 4, sonmp_ip_address);
/* there is probably a better way of doing this but i need to get three bytes :-( */
sonmp_segment_identifier = tvb_get_guint8(tvb, SONMP_SEGMENT_IDENTIFIER);
sonmp_segment_identifier = (sonmp_segment_identifier <<16) + tvb_get_ntohs(tvb, SONMP_SEGMENT_IDENTIFIER +1);
proto_tree_add_text(sonmp_tree,
tvb, SONMP_SEGMENT_IDENTIFIER, 3, "Segment identifier: %06x", sonmp_segment_identifier);
sonmp_chassis_type = tvb_get_guint8(tvb, SONMP_CHASSIS_TYPE);
proto_tree_add_uint_format(sonmp_tree, hf_sonmp_chassis_type, tvb, SONMP_CHASSIS_TYPE, 1, sonmp_chassis_type,
"Chassis : %s (%u)",
val_to_str(sonmp_chassis_type, sonmp_chassis_val, "Unknown"), sonmp_chassis_type);
sonmp_backplane_type = tvb_get_guint8(tvb, SONMP_BACKPLANE_TYPE);
proto_tree_add_uint_format(sonmp_tree, hf_sonmp_backplane_type, tvb, SONMP_BACKPLANE_TYPE, 1,sonmp_backplane_type,
"Backplane : %s (%u)",
val_to_str(sonmp_backplane_type, sonmp_backplane_val, "Unknown"), sonmp_backplane_type);
sonmp_nmm_state = tvb_get_guint8(tvb, SONMP_NMM_STATE);
proto_tree_add_uint_format(sonmp_tree, hf_sonmp_nmm_state,
tvb, SONMP_NMM_STATE, 1, sonmp_nmm_state,
"State: %s", val_to_str(sonmp_nmm_state, sonmp_nmm_state_val, "Unknown"));
sonmp_number_of_links = tvb_get_guint8(tvb, SONMP_NUMBER_OF_LINKS);
proto_tree_add_item(sonmp_tree, hf_sonmp_number_of_links,
tvb, SONMP_NUMBER_OF_LINKS, 1, sonmp_number_of_links);
}
}
void
proto_register_sonmp(void)
{
static hf_register_info hf[] = {
{ &hf_sonmp_ip_address,
{ "NMM IP address", "sonmp.ipaddress", FT_IPv4, BASE_NONE, NULL, 0x0,
"IP address of the agent (NMM)", HFILL }},
/* { &hf_sonmp_segment_identifier,
{ "Segment Identifier", "sonmp.segmentident", FT_UINT24, BASE_HEX, NULL, 0x0,
"Segment id of the segment from which the agent is sending the topology message", HFILL }},
*/
{ &hf_sonmp_chassis_type,
{ "Chassis type", "sonmp.chassis", FT_UINT8, BASE_DEC, NULL, 0x0,
"Chassis type of the agent sending the topology message", HFILL }},
{ &hf_sonmp_backplane_type,
{ "Backplane type", "sonmp.backplane", FT_UINT8, BASE_DEC, NULL, 0x0,
"Backplane type of the agent sending the topology message", HFILL }},
{ &hf_sonmp_nmm_state,
{ "NMM state", "sonmp.nmmstate", FT_UINT8, BASE_DEC, NULL, 0x0,
"Current state of this agent", HFILL }},
{ &hf_sonmp_number_of_links,
{ "Number of links", "sonmp.numberoflinks", FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of interconnect ports", HFILL }},
};
static gint *ett[] = {
&ett_sonmp,
};
proto_sonmp = proto_register_protocol("Nortel SONMP", "SONMP", "sonmp");
proto_register_field_array(proto_sonmp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
register_dissector("sonmp", dissect_sonmp, proto_sonmp);
}
void
proto_reg_handoff_sonmp(void)
{
dissector_handle_t sonmp_handle;
sonmp_handle = create_dissector_handle(dissect_sonmp, proto_sonmp);
dissector_add("llc.nortel_pid", 0x01a1, sonmp_handle); /* flatnet hello */
dissector_add("llc.nortel_pid", 0x01a2, sonmp_handle); /* Segment hello */
/* not got round to adding this but its really old, so I'm not sure people will see it */
/* it uses a different packet format */
/* dissector_add("llc.nortel_pid", 0x01a3, sonmp_handle); */ /* Bridge hello */
}
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